Features: Experience precise timing with the SXJ504 Sports Stopwatch Timer, featuring one button function that starts, stops, and resets effortlessly for accurate timekeeping. Builts to withstands toughly conditions, this mechanical stopwatch is dust, water, shock, and corrosion resistant, ensuring durability in various environment. Ideal for sports referees, coaches, and fitness enthusiasts, this stopwatch caters to diverse timing needs with its high precise capabilities. Perfect for athletic event, swimming competitions, and fitness training, the SXJ504 Stopwatch is your reliable companions for all sports activity. This movement contains 13gemstones, it can maintain normal operation in the -10℃ to +40℃ temperature ranges. Specifications: Component:Steel Height:Approx.7cm/2.76inch Diameter:Approx.50mm/1.97inch Note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color. Package includes: 1pc Mechanical Stopwatch Mechanical Sports Stopwatch Timer Digital Chronograph Alarm Cycling Count Timer for Coaches Referees EnthusiastsHandheld SXJ504 Mechanical Stop Watch Stopwatch Timer for Sports Event Accurate Timing for Coaches and RefereesMechanical StopwatchDigital Sports Timer